Date: Mon, 8 Feb 2021 08:08:48 -0600 From: Kyle Evans <kevans@freebsd.org> To: Eugene Grosbein <eugen@grosbein.net> Cc: Warner Losh <imp@bsdimp.com>, Daniel Ebdrup Jensen <debdrup@freebsd.org>, src-committers <src-committers@freebsd.org>, "<dev-commits-src-all@freebsd.org>" <dev-commits-src-all@freebsd.org>, dev-commits-src-main@freebsd.org Subject: Re: git: 866c8b8d5ddb - main - kldload(8): Add note about using kld_list in rc.conf(5) Message-ID: <CACNAnaF0xpfOodU=B4c91sA4za=-wfRgTY_MiJtr9TZuMNpoHw@mail.gmail.com> In-Reply-To: <d9acb4ee-5ea4-b006-6fa0-86da8d369eda@grosbein.net> References: <202102080704.11874w7E017472@gitrepo.freebsd.org> <CANCZdfrJjBxDwM5gpccDbAJEhw_HBT7eq%2B2Tfd-kTxEo9_DitA@mail.gmail.com> <d9acb4ee-5ea4-b006-6fa0-86da8d369eda@grosbein.net>
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On Mon, Feb 8, 2021 at 8:00 AM Eugene Grosbein <eugen@grosbein.net> wrote: > > 08.02.2021 14:12, Warner Losh wrote: > > > > > > On Mon, Feb 8, 2021, 12:05 AM Daniel Ebdrup Jensen <debdrup@freebsd.org= <mailto:debdrup@freebsd.org>> wrote: > > > > The branch main has been updated by debdrup (doc committer): > > > > URL: https://cgit.FreeBSD.org/src/commit/?id=3D866c8b8d5ddb982c2b81= 39153a4ddfdb2aac3364 > > > > commit 866c8b8d5ddb982c2b8139153a4ddfdb2aac3364 > > Author: Daniel Ebdrup Jensen <debdrup@FreeBSD.org> > > AuthorDate: 2021-02-08 06:49:32 +0000 > > Commit: Daniel Ebdrup Jensen <debdrup@FreeBSD.org> > > CommitDate: 2021-02-08 06:57:36 +0000 > > > > kldload(8): Add note about using kld_list in rc.conf(5) > > > > While here, also recommend that loader.conf(5) should only be u= sed in > > order to get to mountroot, as rc(8) is less fragile, faster, an= d is > > easier to fix by booting to single-user mode instead of having = to > > blacklist modules in the loader. > > > > > > I'm not sure this is good advice. The only modules that are fragile are= 3rd party things like drm. It's no less hard to fix by unloading in the lo= ader or fixing in single user. The speed difference is true, but unless the= modules are huge, it isn't much. > > +1 > > Plus, Daniel missed two other points: nextboot(8) facility that works wit= h modules > loaded with the loader; and possibility to point to alternative location = of kernel module > with *_name variable documented in the loader.conf(5) manual page. > > The latter makes it possible to load alternative version of same driver, > real example is if_em.ko from base system vs. one from ports that has dif= ferent code base > and set of bugs/features. > > kld_list cannot do that. > Huh? kld_list accepts a full pathname, which is the same kind of specification you'd need to do with one from port in loader with *_name.
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